default or selected kernelversion does not have config value CONFIG_MTD_PS3VRAM.
Result is shown for kernelversion 5.14.15
PS3 video RAM
modulename: ps3vram.ko
configname: CONFIG_MTD_PS3VRAM
Linux Kernel Configuration
└─>Device Drivers
└─>Memory Technology Device (MTD) support
└─>Self-contained MTD device drivers
└─>PS3 video RAM
In linux kernel since version 2.6.29.1 (release Date: 2009-04-02)
This driver allows you to use excess PS3 video RAM as volatile
storage or system swap.
storage or system swap.